package cn.school.util;

import java.io.IOException;
import java.io.InputStream;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class MyBatisUtil {

	private static SqlSessionFactory sqlSessionFactory;

	static {
		String resource = "mybatis-config.xml";
		try {
			InputStream inputStream = Resources.getResourceAsStream(resource);
			sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);

		} catch (IOException e) {

			e.printStackTrace();
		}
	}

	private MyBatisUtil() {

	}

	public static SqlSession get() {
		return sqlSessionFactory.openSession(false);
	}

	public static void close(SqlSession session) {
		if (session != null) {
			session.close();
		}
	}
}
